Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

This hidden garden boasts amazing views of Lyon.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

Hundreds of hidden passageways weave through the old quarters of Lyon.

Depending on how it is measured, this lighthouse can claim to be the tallest in Europe and the tallest conventional lighthouse in the world.

Massive galleon from a box-office bomb docked in Genoa.

This peculiar Italian elevator runs both horizontally and vertically.

The walls and streets of the ancient city are peppered with penises.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

This medieval city gate is now a blend of the past and the modern world.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

Step back in time at this 19th-century kiosk.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

The final resting place for the remains of 143 Habsburg royalty.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

This is the house that spite built.